Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator

We study the proximity effect between an s-wave superconductor and the surface states of a strong topological insulator. The resulting two-dimensional state resembles a spinless px + ipy superconductor, but does not break time reversal symmetry. This state supports Majorana bound states at vortices....

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Main Authors: Fu, Liang, Kane, Charles L
Format: Text
Language:unknown
Published: ScholarlyCommons 2008
Subjects:
Physical Sciences and Mathematics
Physics
IPY
Online Access:https://repository.upenn.edu/physics_papers/99
https://repository.upenn.edu/cgi/viewcontent.cgi?article=1103&context=physics_papers
id ftunivpenn:oai:repository.upenn.edu:physics_papers-1103
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spelling ftunivpenn:oai:repository.upenn.edu:physics_papers-1103 2023-05-15T16:55:49+02:00 Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator Fu, Liang Kane, Charles L 2008-03-06T08:00:00Z application/pdf https://repository.upenn.edu/physics_papers/99 https://repository.upenn.edu/cgi/viewcontent.cgi?article=1103&context=physics_papers unknown ScholarlyCommons https://repository.upenn.edu/physics_papers/99 https://repository.upenn.edu/cgi/viewcontent.cgi?article=1103&context=physics_papers Department of Physics Papers Physical Sciences and Mathematics Physics text 2008 ftunivpenn 2021-01-04T21:27:21Z We study the proximity effect between an s-wave superconductor and the surface states of a strong topological insulator. The resulting two-dimensional state resembles a spinless px + ipy superconductor, but does not break time reversal symmetry. This state supports Majorana bound states at vortices. We show that linear junctions between superconductors mediated by the topological insulator form a nonchiral one-dimensional wire for Majorana fermions, and that circuits formed from these junctions provide a method for creating, manipulating, and fusing Majorana bound states. Text IPY University of Pennsylvania: ScholaryCommons@Penn
institution Open Polar
collection University of Pennsylvania: ScholaryCommons@Penn
op_collection_id ftunivpenn
language unknown
topic Physical Sciences and Mathematics
Physics
spellingShingle Physical Sciences and Mathematics
Physics
Fu, Liang
Kane, Charles L
Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator
topic_facet Physical Sciences and Mathematics
Physics
description We study the proximity effect between an s-wave superconductor and the surface states of a strong topological insulator. The resulting two-dimensional state resembles a spinless px + ipy superconductor, but does not break time reversal symmetry. This state supports Majorana bound states at vortices. We show that linear junctions between superconductors mediated by the topological insulator form a nonchiral one-dimensional wire for Majorana fermions, and that circuits formed from these junctions provide a method for creating, manipulating, and fusing Majorana bound states.
format Text
author Fu, Liang
Kane, Charles L
author_facet Fu, Liang
Kane, Charles L
author_sort Fu, Liang
title Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator
title_short Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator
title_full Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator
title_fullStr Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator
title_full_unstemmed Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator
title_sort superconducting proximity effect and majorana fermions at the surface of a topological insulator
publisher ScholarlyCommons
publishDate 2008
url https://repository.upenn.edu/physics_papers/99
https://repository.upenn.edu/cgi/viewcontent.cgi?article=1103&context=physics_papers
genre IPY
genre_facet IPY
op_source Department of Physics Papers
op_relation https://repository.upenn.edu/physics_papers/99
https://repository.upenn.edu/cgi/viewcontent.cgi?article=1103&context=physics_papers
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